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46 lines
1.5 KiB
46 lines
1.5 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* Ulead DV audio parser |
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* |
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* Determines the duration for each packet. |
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*/ |
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#include "parser.h" |
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#include "dvaudio.h" |
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static int dvaudio_parse(AVCodecParserContext *s1, AVCodecContext *avctx, |
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const uint8_t **poutbuf, int *poutbuf_size, |
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const uint8_t *buf, int buf_size) |
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{ |
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if (buf_size >= 248) |
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s1->duration = dv_get_audio_sample_count(buf + 244, avctx->block_align == 8640); |
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/* always return the full packet. this parser isn't doing any splitting or |
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combining, only packet analysis */ |
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*poutbuf = buf; |
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*poutbuf_size = buf_size; |
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return buf_size; |
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} |
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const AVCodecParser ff_dvaudio_parser = { |
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.codec_ids = { AV_CODEC_ID_DVAUDIO }, |
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.parser_parse = dvaudio_parse, |
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};
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